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Finding the Fourth Proportional to 230,753.52, 318,468.86 and 133,936.56

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Solution

The fourth proportional to 230,753.52, 318,468.86 and 133,936.56 is: 184,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,753.52 : 318,468.86 = 133,936.56 : x
  2. Step 2: Convert to fraction form
    230,753.52/318,468.86 = 133,936.56/x
  3. Step 3: Cross multiply
    230,753.52x = 318,468.86 × 133,936.56
  4. Step 4: Simplify right side
    230,753.52x = 42,654,623,575.52
  5. Step 5: Solve for x
    x = 42,654,623,575.52/230,753.52
  6. Step 6: Final answer
    x = 184,849.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.